package 笔试记录.M10day16;

import java.util.Scanner;

public class Main2 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();
        char[] arr = s.toCharArray();
        for (int i = 0; i < arr.length; i++) {
            if(i != arr.length - 1 && arr[i] == 'a' && arr[i + 1] == '*'){
                arr[i + 1] = 'b';
            }
        }
        System.out.println(String.valueOf(arr));
    }
}
